C3132121111331312113313331333133313331333112331333132213233232311   >>    C313212111133131211331333133313331333133311233133313221323323231   <<    C3132121111331312113313331333133313331333112331333132213233232313   >>      C3132121111331312113313331333133313331333112331333132213233232312   >>